package cn.com.niit.mapper;

import cn.com.niit.pojo.Session;
import cn.com.niit.pojo.User;
import org.apache.ibatis.annotations.Mapper;

import java.util.List;

@Mapper
public interface SessionMapper {

    List<Session> queryCount(String name);
    void insert(String name);
    void del(String name);
    void delNull();
}
